Dr. Robert Zaiden Jr., MD

  • Jacksonville, FL
  • Medical oncologist
NPI1821143710PAC ID2769529155
Medicare services, 2024
833
Medicare patients, 2024
382
Part D claims, 2024
1,220
Publications
20
Clinical trials
6
Practice address
1301 Palm Ave, Jacksonville, FL 32207
Practice phone
Call (904) 202-7300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Baptist MD Anderson Cancer Physicians

Jacksonville, Florida

See all 7 affiliations

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Dr. Robert Zaiden Jr. is a medical oncologist in Jacksonville, Florida

Dr. Zaiden practices at Baptist MD Anderson Cancer Physicians in Jacksonville, Florida.

Dr. Zaiden's NPI, 1821143710, was assigned on January 24, 2007. Dr. Zaiden graduated from St. Matthew's University in 2003. Dr. Zaiden holds Florida license ME103756.

NPI and contact details
Medicare PAC ID
2769529155
NPI enumeration date
January 24, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(904) 202-7300
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
49
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Robert Zaiden Jr. practices at Baptist MD Anderson Cancer Physicians in Jacksonville, Florida

Dr. Zaiden's primary practice is Baptist MD Anderson Cancer Physicians, at 1301 Palm Ave, Jacksonville, FL 32207 in Duval County. The practice phone is (904) 202-7300.

  • Baptist MD Anderson Cancer Physicians
    1301 Palm Ave, Jacksonville, FL 32207 · Duval CountyPhone(904) 202-7300

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Robert Zaiden Jr. is affiliated with 6 sites of care and 1 medical group

Dr. Zaiden's primary practice is Baptist MD Anderson Cancer Physicians in Jacksonville, Florida. Dr. Zaiden is also affiliated with Baptist Medical Center Jacksonville. The medical group on file is Baptist MD Anderson Cancer Physicians. Dmand AI also links Dr. Zaiden to 3 more hospitals and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Zaiden

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Robert Zaiden Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zaiden practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Baptist MD Anderson Cancer PhysiciansAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert Zaiden Jr. is one of 477 medical oncologists in Florida

Medical oncology is Dr. Zaiden's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Zaiden is board certified in internal medicine by the American Board of Internal Medicine. Dr. Zaiden is licensed in Florida.

Specialties and state licenses

  • Medical oncology, FloridaPrimaryLicense ME103756 · 2009 to 2027 · taxonomy 207RX0202X

Clinical focus

Dmand AI lists breast cancer, chronic anemia, colorectal cancer, fluid and electrolyte imbalances, lung cancer, lymphoma, multiple myeloma and prostate cancer among the conditions Dr. Zaiden treats.

Medical oncologists near Dr. Zaiden

Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Robert Zaiden Jr. billed Medicare for 833 services in 2024

CMS data shows 833 Medicare services from Dr. Zaiden across 5 procedure codes in 2024, all of them office visits, for 382 Medicare patients. Medicare paid $93,286 for them. Every service was in an office.

Medicare services, 2024833
Medicare patients382
Paid by Medicare$93,286
Procedure codes5

Dr. Zaiden's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 7302024: 83314%

Dr. Zaiden compared with the Florida median for medical oncologists, 2024

  • Dr. Zaiden
  • Florida median
Medicare services
833vs 19,75596% below
Medicare patients
382vs 54129% below
Part D claims
1,043vs 59874% above

Medians across 462 medical oncologists in Florida with Dmand AI profiles that report each measure.

Dr. Zaiden's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Zaiden

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Robert Zaiden Jr. treated 382 Medicare patients in 2024, average age 75

CMS counts 382 Medicare patients who saw Dr. Zaiden in 2024. The largest group is 65 to 74, with 167 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 2.45, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Zaiden's median patient age at 73, with 32% women.

Medicare patients, 2024382
Average age75
Average risk score2.45
Also on Medicaid4%

Dr. Zaiden's Medicare patients by age, 2024

Dr. Zaiden's Medicare patients by sex, 2024

  • Women12834%
  • Men25466%

Chronic conditions among Dr. Zaiden's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Cancer70%
  4. Arthritis49%
  5. Ischemic heart disease49%
  6. Diabetes39%
  7. Chronic kidney disease34%
  8. Anxiety28%

Share of Medicare patients with each condition. A patient can have several.

Dr. Zaiden's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women32%
  • Men67%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Robert Zaiden Jr. wrote 1,220 Medicare Part D claims in 2024

In 2024, Dr. Zaiden wrote 1,220 Medicare Part D claims for 224 patients. 63% of them were for generic drugs. CMS names the drug for 1,043 of them, across 23 drugs with 11 or more claims each, at $6,158,550 in total drug cost. In 2023, CMS named 661 claims across 18 drugs.

Part D claims, 20241,220
Drugs named by CMS23
Total drug cost$6.2M
Part D patients224

Dr. Zaiden's Part D claims by kind of drug, 2024

  • Generic768 claims63%
  • Brand-name452 claims37%

Dr. Zaiden's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Zaiden's Part D claims, 2024

  • Opioids4%53 of 1,220 claims
  • Antibiotics2%25 of 1,220 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 6612024: 1,04358%

Drugs named by CMS: 23 in 2024, 18 in 2023.

See all prescribing by Dr. Zaiden

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Robert Zaiden Jr. scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Zaiden for performance year 2024, reported as part of a group. Dr. Zaiden accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zaiden as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Zaiden's MIPS scores, performance year 2024

  • 86of 100Final score
  • 73.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Robert Zaiden Jr. has 20 publications on record

Dmand AI links 20 papers to Dr. Zaiden, published from 2009 to 2014. 2014 was the busiest year, with 3. The most frequent topics are Antineoplastic Agents, Antineoplastic Combined Chemotherapy Protocols and Hodgkin Disease. Dr. Zaiden has published most often in Clin Adv Hematol Oncol. Dr. Zaiden's most frequent co-authors are Dat Cao Pham, MD, Nancy P. Mendenhall, MD and Fauzia Naeem Rana, MD.

Papers20
Years published2009 to 2014

Dr. Zaiden's papers by year, 2009 to 2014

Topics Dr. Zaiden writes about most

  • Antineoplastic Agents
  • Antineoplastic Combined Chemotherapy Protocols
  • Hodgkin Disease
  • Proton Therapy
  • Radiotherapy, Intensity-Modulated

Dr. Zaiden's most frequent co-authors

Recent publications by Dr. Zaiden

See all 20 publications and co-authors

See who Dr. Zaiden researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Zaiden works with, so you can find a warm path to the right medical oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Robert Zaiden Jr. has worked on 6 clinical trials

Dmand AI links Dr. Zaiden to 6 clinical trials, 3 of them phase 3 studies. 4 are still active or recruiting. Conditions studied include Breast Neoplasms, Rectal Diseases and Colorectal Neoplasms. National Cancer Institute (NCI) sponsors the most, 3.

Clinical trials with Dr. Zaiden by phase

  1. NonePhase 1: no trials
  2. 1Phase 2: 1 trial
  3. 3Phase 3: 3 trials
  4. NonePhase 4: no trials

Conditions in Dr. Zaiden's trials

  • Breast Neoplasms
  • Rectal Diseases
  • Colorectal Neoplasms
  • Carcinoma, Renal Cell
  • Pancreatic Neoplasms

Investigators on the most trials with Dr. Zaiden

Recent clinical trials with Dr. Zaiden

See all 6 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Robert Zaiden Jr. received $5,800 in industry payments from 2016 to 2025

CMS Open Payments shows 61 general payments to Dr. Zaiden from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 46% of the total. Janssen Pharmaceuticals, Inc paid the most, $1,388.

General payments to Dr. Zaiden by program year, 2016 to 2025

General payments to Dr. Zaiden by kind, 2016 to 2025

$5.8Kin total
  • Food and beverage$2,68546%
  • Consulting fees$1,86332%
  • Honoraria$1,05018%
  • Education$2033%

Companies that paid Dr. Zaiden the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Zaiden

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Robert Zaiden Jr. has 4 awards and honors on record

Dmand AI lists 4 awards for Dr. Zaiden, most recently Physician of the year in 2017. Dr. Zaiden serves on Continuing Medical Education Baptist MD Anderson Cancer Center.

Awards and honors for Dr. Zaiden

  1. 2017
    • Physician of the year
  2. 2007
    • Outstanding Resident Teacher
  3. 2006
    • Deans Grant for Resident Research
  4. 2005
    • Intern of the Year

Dr. Zaiden's committees and leadership roles

Continuing Medical Education Baptist MD Anderson Cancer CenterCME Director
2016 to present
Pharmacy and Therapeutics Committee Baptist Medical CenterMember
2015 to 2016

Source: Dmand AI Professional Profile Data

Dr. Robert Zaiden Jr. graduated from St. Matthew's University

Dr. Zaiden graduated from St. Matthew's University in 2003. Dr. Zaiden is a member of ACP and ASCO.

  1. Medical schoolSt. Matthew's University
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Robert Zaiden Jr. accepts plans from 15 insurance carriers

Dr. Zaiden is in network with 15 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Excellus BlueCross BlueShield
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Aspirus Health Plan
  • Regence Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Zaiden accepts, by number of carriers

  1. PPO9
  2. HMO8
  3. Medicare8
  4. POS6
  5. EPO5
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Robert Zaiden Jr.'s profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Robert Zaiden Jr.

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Robert Zaiden Jr.'s NPI number?

Dr. Robert Zaiden Jr.'s NPI number is 1821143710. It was assigned on January 24, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert Zaiden Jr.?

Dr. Robert Zaiden Jr. is a medical oncologist in Jacksonville, Florida. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. Robert Zaiden Jr. practice?

Dr. Zaiden practices at 1301 Palm Ave, Jacksonville, FL 32207. Dr. Zaiden's primary practice is Baptist MD Anderson Cancer Physicians in Jacksonville, Florida. Dmand AI also links Dr. Zaiden to 3 hospitals and 1 group practice or clinic.

What is Dr. Robert Zaiden Jr.'s office phone number?

The practice phone on file for Dr. Zaiden is (904) 202-7300.

What is Dr. Robert Zaiden Jr.'s medical license number?

Dr. Zaiden holds Florida license ME103756.

Which hospitals is Dr. Robert Zaiden Jr. affiliated with?

Dr. Zaiden is affiliated with Baptist Medical Center Jacksonville. Dmand AI links Dr. Zaiden to 3 more hospitals.

What medical group is Dr. Robert Zaiden Jr. part of?

Dr. Zaiden is linked to Baptist MD Anderson Cancer Physicians.

Does Dr. Robert Zaiden Jr. accept Medicare?

Yes. CMS data shows Dr. Zaiden billed Medicare for 833 services in 2024, and Dr. Zaiden accepts Medicare assignment.

Does Dr. Robert Zaiden Jr. offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Zaiden as offering telehealth services.

What is Dr. Robert Zaiden Jr.'s MIPS score?

Dr. Zaiden's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Robert Zaiden Jr. see?

CMS counts 382 Medicare patients who saw Dr. Zaiden in 2024, with an average age of 75.

Is Dr. Robert Zaiden Jr. board certified?

Yes. Dr. Zaiden is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Robert Zaiden Jr. bill to Medicare?

In 2024, Dr. Zaiden's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, new patient (99205).

Where did Dr. Robert Zaiden Jr. go to medical school?

Dr. Zaiden graduated from St. Matthew's University in 2003.

What drugs does Dr. Robert Zaiden Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Zaiden's most prescribed drugs by claims were Prochlorperazine Maleate, Ondansetron HCl and Prednisone.

Has Dr. Robert Zaiden Jr. received payments from drug or device companies?

CMS Open Payments shows $5,800 in general payments to Dr. Zaiden from 21 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Robert Zaiden Jr. been practicing?

Dr. Zaiden graduated from medical school in 2003, 23 years ago.

Does Dr. Robert Zaiden Jr. do research?

Dmand AI links 20 publications to Dr. Zaiden, published from 2009 to 2014. Dr. Zaiden has worked on 6 clinical trials.

Who does Dr. Robert Zaiden Jr. publish with?

Dr. Zaiden's most frequent co-authors are Dat Cao Pham, MD (5 shared papers), Nancy P. Mendenhall, MD (4 shared papers) and Fauzia Naeem Rana, MD (4 shared papers).

What insurance does Dr. Robert Zaiden Jr. accept?

Dr. Zaiden is in network with 15 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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